./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:38:33,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:38:33,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:38:33,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:38:33,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:38:33,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:38:33,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:38:33,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:38:33,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:38:33,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:38:33,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:38:33,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:38:33,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:38:33,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:38:33,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:38:33,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:38:33,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:38:33,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:38:33,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:38:33,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:38:33,862 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:38:33,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:38:33,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:38:33,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:38:33,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:38:33,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:38:33,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:38:33,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:33,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:38:33,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:38:33,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:38:33,865 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:38:33,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:38:33,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d [2024-11-13 16:38:34,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:38:34,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:38:34,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:38:34,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:38:34,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:38:34,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i Unable to find full path for "g++" [2024-11-13 16:38:36,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:38:36,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:38:36,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2024-11-13 16:38:36,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/data/c656f33ab/1cb040f6b7bf4d99b69964e58d637ad7/FLAG316d2dbb4 [2024-11-13 16:38:36,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/data/c656f33ab/1cb040f6b7bf4d99b69964e58d637ad7 [2024-11-13 16:38:36,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:38:36,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:38:36,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:36,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:38:36,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:38:36,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b1fa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36, skipping insertion in model container [2024-11-13 16:38:36,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:38:36,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/sv-benchmarks/c/loop-invgen/NetBSD_loop.i[893,906] [2024-11-13 16:38:36,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:36,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:38:36,755 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/sv-benchmarks/c/loop-invgen/NetBSD_loop.i[893,906] [2024-11-13 16:38:36,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:36,776 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:38:36,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36 WrapperNode [2024-11-13 16:38:36,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:36,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:36,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:38:36,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:38:36,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,812 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-11-13 16:38:36,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:36,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:38:36,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:38:36,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:38:36,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:38:36,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:38:36,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:38:36,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:38:36,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:36" (1/1) ... [2024-11-13 16:38:36,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:36,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:38:36,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:38:36,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:38:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:38:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:38:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:38:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:38:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:38:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:38:37,003 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:38:37,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:38:37,156 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 16:38:37,156 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:38:37,212 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:38:37,214 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:38:37,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:37 BoogieIcfgContainer [2024-11-13 16:38:37,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:38:37,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:38:37,217 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:38:37,229 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:38:37,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:37" (1/1) ... [2024-11-13 16:38:37,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:38:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 16:38:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 16:38:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:38:37,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:37,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 22 transitions. [2024-11-13 16:38:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 16:38:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:38:37,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:37,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 27 transitions. [2024-11-13 16:38:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 16:38:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:38:38,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:38,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:38:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 36 transitions. [2024-11-13 16:38:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-13 16:38:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:38:39,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:39,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:38:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 43 transitions. [2024-11-13 16:38:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-13 16:38:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:38:39,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:39,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:38:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 23 states and 30 transitions. [2024-11-13 16:38:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 16:38:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 16:38:39,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:39,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 16:38:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 17 states and 23 transitions. [2024-11-13 16:38:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-13 16:38:41,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:38:41,039 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 16:38:41,052 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:38:41,128 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-11-13 16:38:41,128 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:38:41,128 INFO L77 FloydHoareUtils]: At program point L44(lines 25 45) the Hoare annotation is: true [2024-11-13 16:38:41,128 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: true [2024-11-13 16:38:41,129 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:38:41,129 INFO L77 FloydHoareUtils]: At program point L38-2(lines 38 43) the Hoare annotation is: true [2024-11-13 16:38:41,129 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-11-13 16:38:41,129 INFO L77 FloydHoareUtils]: At program point L41-1(line 41) the Hoare annotation is: true [2024-11-13 16:38:41,129 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-13 16:38:41,129 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2024-11-13 16:38:41,130 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 22) the Hoare annotation is: true [2024-11-13 16:38:41,130 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-13 16:38:41,130 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-13 16:38:41,130 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: true [2024-11-13 16:38:41,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:38:41 ImpRootNode [2024-11-13 16:38:41,147 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:38:41,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:38:41,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:38:41,148 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:38:41,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:37" (3/4) ... [2024-11-13 16:38:41,151 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:38:41,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 16:38:41,159 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 16:38:41,160 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:38:41,160 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:38:41,160 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:38:41,250 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:38:41,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:38:41,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:38:41,253 INFO L158 Benchmark]: Toolchain (without parser) took 4730.39ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 72.6MB in the end (delta: 46.6MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-13 16:38:41,253 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:38:41,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.91ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:38:41,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.59ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.9MB in the end (delta: 931.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:38:41,254 INFO L158 Benchmark]: Boogie Preprocessor took 26.77ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.2MB in the end (delta: 740.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:38:41,254 INFO L158 Benchmark]: RCFGBuilder took 374.78ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 94.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:38:41,255 INFO L158 Benchmark]: CodeCheck took 3930.34ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 77.3MB in the end (delta: 17.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-13 16:38:41,255 INFO L158 Benchmark]: Witness Printer took 104.20ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 72.6MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:38:41,261 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 74 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 889 GetRequests, 824 SyntacticMatches, 15 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 118/133 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.91ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.59ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.9MB in the end (delta: 931.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.77ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.2MB in the end (delta: 740.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.78ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 94.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3930.34ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 77.3MB in the end (delta: 17.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 104.20ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 72.6MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:38:41,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86eb2df-8750-4672-9953-b855edb072a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE